CN105152494A - 印染业废水处理方法及装置 - Google Patents
印染业废水处理方法及装置 Download PDFInfo
- Publication number
- CN105152494A CN105152494A CN201510672510.8A CN201510672510A CN105152494A CN 105152494 A CN105152494 A CN 105152494A CN 201510672510 A CN201510672510 A CN 201510672510A CN 105152494 A CN105152494 A CN 105152494A
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- Prior art keywords
- sewage
- aerobic reaction
- water
- reation pool
- wastewater
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- 239000002351 wastewater Substances 0.000 title claims abstract description 30
- 238000004043 dyeing Methods 0.000 title claims abstract description 27
- 238000007639 printing Methods 0.000 title claims abstract description 24
- 239000010865 sewage Substances 0.000 claims abstract description 49
- 238000001914 filtration Methods 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NS4wJyBoZWlnaHQ9Jzg1LjAnIHg9JzAuMCcgeT0nMC4wJz4gPC9yZWN0Pgo8dGV4dCB4PScxMy4zJyB5PSc1My42JyBjbGFzcz0nYXRvbS0wJyBzdHlsZT0nZm9udC1zaXplOjIzcHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7dGV4dC1hbmNob3I6c3RhcnQ7ZmlsbDojRTg0MjM1JyA+SDwvdGV4dD4KPHRleHQgeD0nMjguMicgeT0nNjIuOScgY2xhc3M9J2F0b20tMCcgc3R5bGU9J2ZvbnQtc2l6ZToxNXB4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO3RleHQtYW5jaG9yOnN0YXJ0O2ZpbGw6I0U4NDIzNScgPjI8L3RleHQ+Cjx0ZXh0IHg9JzM1LjAnIHk9JzUzLjYnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6MjNweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiNFODQyMzUnID5PPC90ZXh0Pgo8L3N2Zz4K O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005189 flocculation Methods 0.000 claims abstract description 14
- 230000016615 flocculation Effects 0.000 claims abstract description 14
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000005276 aerator Methods 0.000 claims abstract description 4
- 238000005516 engineering process Methods 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 12
- 241000276438 Gadus morhua Species 0.000 claims description 9
- 235000019516 cod Nutrition 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 claims description 7
- 238000010521 absorption reaction Methods 0.000 claims description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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- 239000007789 gas Substances 0.000 claims description 6
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Abstract
本发明涉及工业废水处理技术领域，具体地说是一种印染业废水处理方法及装置，其特征在于设有依次相连的滤清沉淀池、厌氧反应池、絮凝池、好氧反应池、脱色处理池以及过滤器，其中所述厌氧反应池中设有用于使厌氧反应池内污水循环流动的污水循环泵，还设有布水器、污泥回流管，污泥回流管上装有循环泵；所述好氧反应池中设有与外部气泵相连接的曝气器，与好氧反应池进水口相连接的布水器，还设有污泥回流管以及用于使好氧反应池内污水循环流动的污水循环泵，本发明与现有技术相比，能够对印染业废水中所含有机物、染料等物质进行有效处理，使污水达到排放标准，具有处理成本合理、工作稳定、效率可靠等显著的优点。
Description
技术领域
:
[0001] 本发明涉及工业废水处理技术领域，具体地说是一种印染业废水处理方法及装置。
背景技术
:
[0002] 我国印染行业是耗水、耗能、排污大户。在水和能耗方面，与国外相比，印染企业单位产品取水量是发达国家的2〜3倍，能源消耗量则为3倍左右，且通常印染环节能耗要占纺织产品链能耗的30%以上；在污染物排放方面，印染废水排放总量是全国各工业部门排放总量的第5位，污染物排放总量(以COD值计)位于第6位，其废水平均回用率只有7%。此外，目前只有少数企业采用余热回收利用技术，大部分企业热废气、热废水直接排放，设备控制没有节能装置，印染污泥大多没有得到有效处理，企业节能减排的任务十分艰巨。目前，印染企业用水、排水等环境问题日益突显，我国许多印染行业发达地区环境容量已非常有限，印染企业要达到增产不增污或少增污的目标，只有采用节能减排技术，实现清洁生产。
[0003] 通过对企业不同工序中外排废水水质的检测，结果表明，织物染色后的洗溢流水工序及后续的水洗工序中，外排废水COD低于30mg/L，色度低于5倍，与取水水质相当，而现有的印染企业是将其直接与COD高于30mg/L、色度大于5倍的外排高浓度印染废水混合排出，不仅增加了废水处理的工作量和处理成本，而且造成资源浪费，有悖于节能环保理念的倡导。
[0004] 现有技术污水处理系统主要存在以下问题:1.系统处理过程中产生大量的空气污染，生化处理过程中产生的沼气被浪费；2.现有污水处理系统设计时未考虑到特征染色物的色度，仅在沉淀池添加了脱色剂进行处理，处理效果不好；3.现有废水经污水处理系统处理后达不到产间用水标准，无法回用，年排放量较大，既造成了资源的浪费，也不利于当地“节能减排”任务的完成。4.现有污泥处理系统将活性污泥和化学污泥混合脱水后填埋，造成资源浪费及环境的污染。
发明内容
:
[0005] 本发明针对现有技术中存在的缺点和不足，提出了一种印染业废水处理方法及装置。
[0006] 本发明可以通过以下措施达到:
[0007] —种印染业废水处理方法，其特征在于包括以下步骤:
[0008] 步骤1:将污水排入滤清沉淀池，通过滤清沉淀将污水中的泥沙等杂质去除；
[0009] 步骤2:将滤清沉淀池排出的污水送入封闭的厌氧反应池，厌氧反应池内填充厌氧微生物，污水在厌氧池内停留25-35h ；
[0010] 步骤3:将厌氧反应池排出的污水送入絮凝池，加入絮凝剂、助凝剂，把水中的COD、BOD色度再进行脱除、沉淀；
[0011] 步骤4:将絮凝处理过滤后的滤液排入好氧反应池，在好氧反应池中停留6-10h，好氧反应池内设有曝气机构并填充好氧微生物，使水气比达到1: 10-1: 30，为好氧微生物创造好的生存环境；
[0012] 步骤5:将经过上述步骤处理的污水排入脱色处理池，加入脱色剂，把所有的固体物及色度降低到深度处理标准，COD达到70mg/L以下，BOD达到20mg/L以下，SS悬浮物达到10mg/L，色度到30倍以下，其他标准均达到国家限定的(CECS61-1994)所规定的指标内；
[0013] 步骤6:将脱色处理后的污水送入过滤器，通过多级过滤格栅去除水中的悬浮物、漂浮物和沉淀物，进一步改善水质，其中过滤格栅上设有活性炭吸附装置，因此不仅能够吸附污水中的有害物质，还可以进一步起到脱色效果，使水质满足排放标准。
[0014] 本发明还提出了一种印染业废水处理装置，其特征在于设有依次相连的滤清沉淀池、厌氧反应池、絮凝池、好氧反应池、脱色处理池以及过滤器，其中所述厌氧反应池中设有用于使厌氧反应池内污水循环流动的污水循环栗，还设有布水器、污泥回流管，污泥回流管上装有循环栗；所述好氧反应池中设有与外部气栗相连接的曝气器，与好氧反应池进水口相连接的布水器，还设有污泥回流管以及用于使好氧反应池内污水循环流动的污水循环栗O
[0015] 本发明所述厌氧反应池中设有用于改变污水流向从而增加污水在厌氧反应池流动路径长度的多级折流板，用于增加厌氧微生物与污水中有害物质的接触，提高降解效果。
[0016] 本发明所述过滤器包括多级过滤格栅，多级过滤格栅等间距的分布在沿污水流经路径上，过滤格栅上装有活性炭过滤模块，用于吸附污水中的有害物质并对污水进行脱色处理。
[0017] 本发明所述厌氧反应池上部设有废气排出通道，废气的主要成分为甲烷，可以排入沼气罐中进行回收利用。
[0018] 本发明与现有技术相比，能够对印染业废水中所含有机物、染料等物质进行有效处理，使污水达到排放标准，具有处理成本合理、工作稳定、效率可靠等显著的优点。
附图说明
:
[0019] 附图1是本发明的结构示意图。
[0020] 附图标记:滤清沉淀池1、厌氧反应池2、絮凝池3、好氧反应池4、脱色处理池5以及过滤器6。
具体实施方式
:
[0021] 下面结合附图对本发明作进一步的说明。
[0022] 本发明提出了一种印染业废水处理方法，其特征在于包括以下步骤:
[0023] 步骤1:将污水排入滤清沉淀池，通过滤清沉淀将污水中的泥沙等杂质去除；
[0024] 步骤2:将滤清沉淀池排出的污水送入封闭的厌氧反应池，厌氧反应池内填充厌氧微生物，污水在厌氧池内停留25-35h ；
[0025] 步骤3:将厌氧反应池排出的污水送入絮凝池，加入絮凝剂、助凝剂，把水中的COD、BOD色度再进行脱除、沉淀；
[0026] 步骤4:将絮凝处理过滤后的滤液排入好氧反应池，在好氧反应池中停留6-10h，好氧反应池内设有曝气机构并填充好氧微生物，使水气比达到1: 10-1: 30，为好氧微生物创造好的生存环境；
[0027] 步骤5:将经过上述步骤处理的污水排入脱色处理池，加入脱色剂，把所有的固体物及色度降低到深度处理标准，COD达到70mg/L以下，BOD达到20mg/L以下，SS悬浮物达到10mg/L，色度到30倍以下，其他标准均达到国家限定的(CECS61-1994)所规定的指标内；
[0028] 步骤6:将脱色处理后的污水送入过滤器，通过多级过滤格栅去除水中的悬浮物、漂浮物和沉淀物，进一步改善水质，其中过滤格栅上设有活性炭吸附装置，因此不仅能够吸附污水中的有害物质，还可以进一步起到脱色效果，使水质满足排放标准。
[0029] 如附图1所示，本发明还提出了一种印染业废水处理装置，其特征在于设有依次相连的滤清沉淀池1、厌氧反应池2、絮凝池3、好氧反应池4、脱色处理池5以及过滤器6，其中所述厌氧反应池2中设有用于使厌氧反应池2内污水循环流动的污水循环栗，还设有布水器、污泥回流管，污泥回流管上装有循环栗；所述好氧反应池4中设有与外部气栗相连接的曝气器，与好氧反应池4进水口相连接的布水器，还设有污泥回流管以及用于使好氧反应池内污水循环流动的污水循环栗。
[0030] 本发明所述厌氧反应池2中设有用于改变污水流向从而增加污水在厌氧反应池流动路径长度的多级折流板，用于增加厌氧微生物与污水中有害物质的接触，提高降解效果O
[0031] 本发明所述过滤器6包括多级过滤格栅，多级过滤格栅等间距的分布在沿污水流经路径上，过滤格栅上装有活性炭过滤模块，用于吸附污水中的有害物质并对污水进行脱色处理。
[0032] 本发明所述厌氧反应池2上部设有废气排出通道，废气的主要成分为甲烷，可以排入沼气罐中进行回收利用。
[0033] 本发明与现有技术相比，能够对印染业废水中所含有机物、染料等物质进行有效处理，使污水达到排放标准，具有处理成本合理、工作稳定、效率可靠等显著的优点。
Claims (5)
1.一种印染业废水处理方法，其特征在于包括以下步骤: 步骤1:将污水排入滤清沉淀池，通过滤清沉淀将污水中的泥沙等杂质去除； 步骤2:将滤清沉淀池排出的污水送入封闭的厌氧反应池，厌氧反应池内填充厌氧微生物，污水在厌氧池内停留25-35h ； 步骤3:将厌氧反应池排出的污水送入絮凝池，加入絮凝剂、助凝剂，把水中的COD、BOD色度再进行脱除、沉淀； 步骤4:将絮凝处理过滤后的滤液排入好氧反应池，在好氧反应池中停留6-10h，好氧反应池内设有曝气机构并填充好氧微生物，使水气比达到1: 10-1: 30，为好氧微生物创造好的生存环境； 步骤5:将经过上述步骤处理的污水排入脱色处理池，加入脱色剂，把所有的固体物及色度降低到深度处理标准，COD达到70mg/L以下，BOD达到20mg/L以下，SS悬浮物达到10mg/L，色度到30倍以下，其他标准均达到国家限定的(CECS61-1994)所规定的指标内； 步骤6:将脱色处理后的污水送入过滤器，通过多级过滤格栅去除水中的悬浮物、漂浮物和沉淀物，进一步改善水质，其中过滤格栅上设有活性炭吸附装置，因此不仅能够吸附污水中的有害物质，还可以进一步起到脱色效果，使水质满足排放标准。
2.一种印染业废水处理装置，其特征在于设有依次相连的滤清沉淀池、厌氧反应池、絮凝池、好氧反应池、脱色处理池以及过滤器，其中所述厌氧反应池中设有用于使厌氧反应池内污水循环流动的污水循环栗，还设有布水器、污泥回流管，污泥回流管上装有循环栗；所述好氧反应池中设有与外部气栗相连接的曝气器，与好氧反应池进水口相连接的布水器，还设有污泥回流管以及用于使好氧反应池内污水循环流动的污水循环栗。
3.根据权利要求2所述的一种印染业废水处理装置，其特征在于所述厌氧反应池中设有用于改变污水流向从而增加污水在厌氧反应池流动路径长度的多级折流板，用于增加厌氧微生物与污水中有害物质的接触，提高降解效果。
4.根据权利要求2所述的一种印染业废水处理装置，其特征在于所述过滤器包括多级过滤格栅，多级过滤格栅等间距的分布在沿污水流经路径上，过滤格栅上装有活性炭过滤模块，用于吸附污水中的有害物质并对污水进行脱色处理。
5.根据权利要求2所述的一种印染业废水处理装置，其特征在于所述厌氧反应池上部设有废气排出通道，废气的主要成分为甲烷，排入沼气罐中进行回收利用。
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| CN105645672A (zh) * | 2015-12-31 | 2016-06-08 | 安徽省绿巨人环境技术有限公司 | 碱性废水处理装置及方法 |
| CN107572734A (zh) * | 2017-10-26 | 2018-01-12 | 佛山市宝粤美科技有限公司 | 一种有色废水处理装置 |
| CN109836019A (zh) * | 2019-04-03 | 2019-06-04 | 平湖市三禾染整有限公司 | 一种纱线染整废水处理设备及其处理工艺 |
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| JP2004097926A (ja) * | 2002-09-09 | 2004-04-02 | Saburo Matsui | 水処理方法及び水処理装置 |
| CN101560035A (zh) * | 2009-05-21 | 2009-10-21 | 潍坊金丝达印染有限公司 | 印染污水资源化处理方法 |
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| JP2004097926A (ja) * | 2002-09-09 | 2004-04-02 | Saburo Matsui | 水処理方法及び水処理装置 |
| CN101560035A (zh) * | 2009-05-21 | 2009-10-21 | 潍坊金丝达印染有限公司 | 印染污水资源化处理方法 |
Cited By (3)
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| CN105645672A (zh) * | 2015-12-31 | 2016-06-08 | 安徽省绿巨人环境技术有限公司 | 碱性废水处理装置及方法 |
| CN107572734A (zh) * | 2017-10-26 | 2018-01-12 | 佛山市宝粤美科技有限公司 | 一种有色废水处理装置 |
| CN109836019A (zh) * | 2019-04-03 | 2019-06-04 | 平湖市三禾染整有限公司 | 一种纱线染整废水处理设备及其处理工艺 |
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